Sundown Audio
About: Sundown Audio SA-15 v.2 SA-Series 15" 1000W RMS Car Subwoofer
This SA-10/12/15 v.2 series is a top-down upgrade from the original SA series. The 2.75” coil punches way above its weight, outperforming many 3” coils without the adding weight & with the added advantage of a wider spider. We are able to perfectly balance the mass, motor force, and suspension stiffness for the intended power level.
The motor also features a large magnet shorting ring (faraday ring) to reduce distortion and deliver smoother response across the entire acoustic spectrum. The motor & coil setup is mated to an extremely robust multi-layer spider with fully tied-on & doubled-up “XL” tinsel leads. A competition-grade paper cone, strong foam surround, and cast aluminum frame are used to complete this masterpiece. On top of the ~19mm of one-way linear excursion we have an x-mech limit of 37mm one-way before coil bottom making it nearly "bottomless."
Specifications:
Enclosure Specifications:
| Thiele-Small Parameters | SA-15 V2 D2 | SA-15 V2 D4 |
| Dc Resistance (Re) | 3.89 Ohms | 5.83 Ohms |
| Resonance Frequency (Fs) | 36.8387 Hz | 37.4160 Hz |
| Equivalent Volume (Vas) | 51.9387 L | 45.3391 L |
| Electrical Factor (Qes) | 0.5847 | 0.6206 |
| Mechanical Factor (Qms) | 5.1005 | 5.7094 |
| Total Factor (Qts) | 0.5245 | 0.6206 |
| Inductance (Le) |
3.6326 mH | 4.7903 mH |
| Bl Factor (BL) | 24.4656 | 29.1578 |
| Mechanical Mass (Mms) | 388.9706 g | 431.9464 g |
| Mechanical Compliance (Cms) |
47.9860 uM/N | 41.8886 uM/N |
| Sens (dB @ 1w/1m) | 88.22 | 87.08 |
| Xmax | 19mm | 19mm |

Most products include a
limited one year manufacturer’s warranty covering defects in materials and workmanship under normal use.
Warranty coverage does not apply to improper installation, misuse, or damage caused by operation outside
manufacturer specifications.
For complete warranty terms, exclusions, and claim procedures, please visit our full
Warranty Policy page.
Most products include a
limited one year manufacturer’s warranty covering defects in materials and workmanship under normal use.
Warranty coverage does not apply to improper installation, misuse, or damage caused by operation outside
manufacturer specifications.
For complete warranty terms, exclusions, and claim procedures, please visit our full
Warranty Policy page.
Fast shipping across Canada from our Toronto warehouse. Most orders ship within 1–2 business days. Shipping costs and delivery estimates are calculated at checkout. Returns are accepted on eligible items that are unused and in original packaging within our return period. For full details, please view our Shipping Policy and Returns & Exchanges Policy.
Please note that final sale, clearance, open-box, and refurbished items are not eligible for returns or refunds. These items may only be covered under their respective warranty or exchange terms where applicable. For full details regarding open-box items, please review our Open Box Policy.
Sundown Audio
Sundown Audio
Sundown Audio
Sundown Audio
Sundown Audio
On orders over $200*
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